Other

Commdet kodiak, ak remote sites 4125KHZ services unreliable 090800Z to 090900Z aug: a. nome 64-30.0N 165-24.6W

Hudson Bay · NAVAREA XII 510/23

What this record establishes

Archived notice · 2023-08-09 10:00Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · COGARD COMMUNICATIONS COMMAND 0/23 081818Z AUG 23.. Issued 2023-08-08 18:57Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Hudson Bay. The parsed report position is 57.401, -81.073. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Hudson Bay →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2023-08-09 08:00Z2023-08-09 09:00Z—1 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2023-08-08 18:57Z
status
Archived notice
self-cancels
2023-08-09 10:00Z
authority
COGARD COMMUNICATIONS COMMAND 0/23 081818Z AUG 23.
NAVAREA
NAVAREA XII
issued by
COGARD COMMUNICATIONS COMMAND
sea
Hudson Bay
position
57.401, -81.073
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BERING SEA.
ALASKA.
1. COMMDET KODIAK, AK REMOTE SITES 4125KHZ SERVICES
   UNRELIABLE 090800Z TO 090900Z AUG:
   A. NOME 64-30.0N 165-24.6W.
   B. SAINT PAUL 57-10.6N 170-16.6W.
   C. COLD BAY 55-12.2N 162-43.1W.
   D. SHEMYA 52-43.4N 174-06.7E.
2. CANCEL NAVAREA XII 489/23.
3. CANCEL THIS MSG 091000Z AUG 23.

Reading this warning

Inoperative / unreliable / off air
An aid or radio service is not working as charted or published.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
NAVAREA
One of the 21 ocean areas of the World-Wide Navigational Warning Service, each with a coordinator that broadcasts long-range warnings.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · other warnings

4 within 180 nm since 2019 · 0 in the last 12 months · 0 listed in force now

19
20
23

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

23 other warnings listed in force · see all

Record snapshot 2026-10-01 06:34Z; source collection times vary.

Other

Everything the classifier did not place elsewhere. All current other warnings →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.